zollvereinn.
英 'tsɔ:lferain | 美
中文n. （德）关税同盟；商业同盟
词根词源
zollverein (n.)1843, from German Zollverein, literally "customs union," from Zoll "toll" (see toll (n.)) + Verein "union," from vereinen "to unite," from ver- + ein "one" (see one).
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